Science Quiz / Lymphatics

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Can you name the Lymphatics ?

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any substance that can generate an immune response
dense connective tissue, which extend from the capsule to the substance of the node, forming a gross framework
central artery is located in the middle of _____ pulp.
outer portion of the lymph node
corona contain primarily which lymphocyte?
immunity that does not depend on immune recognition by lymphocytes
These cells are CD4+.
injected antibodies are a form of what type of immunity?
MALT stands for what?
this specific type of helper t-cells interact with B-cells and are essential in initiating antibody mediated immune responses
this molecule displays 'self' peptides on the surface of all endogenous cells.
defenses that target a specific antigen or foreign agent
true or false: epithelioreticular cells are connected via desmosomes.
MALTs are found in the ____ ____ of ailmentary canal, respiratory tract, and GI tract.
inner core of the lymph node
this specific type of helper t-cells interact with CD8+ T cells, macrophages, and NK cells. They are also essential in controlling intracellular pathogens
These T cells express neither CD4 or CD8 and function as the first line of defense against invading organisms.
prevents foreign antigens from reaching thymocytes
membrane bound forms of immunoglobulins on B cells that serve as antigen specific binding site
these lymphocytes differentiate in the thymus and they account for the majority of circulating lymphocytes
these cells create the meshwork within the thymus
lymphocytes conveyed in blood enter lymph nodes via _____ ______ _____.
lymphocytes become immunocompetent in ____ lymphatic organs.
true or false: epithelioreticular cells secrete reticular fibers.
These T cells express CD8 and function to kill target cells.
QuestionAnswer
these vessels convey lymph toward the lymph node and enter it at various points on the convex surface of the capsule.
CD4 is an example of a ____ _____ _____.
involved in the filtration of the blood
which cells express MHC II?
these lymphocytes kill virus-infected and tumor cells
TCR
internalize and degrade antigens and display antigen fragments at the cell surface
B cells must interact with what cell before becoming plasma cells?
definitive cell type of the lympahtic system
B cell progenitor undergoes maturation in
these cells are the basis for immune memory
germinal centers contain primarily which lymphocyte?
involved in the production and circulation of immunoglobulins
which T cells attack non-specific epitopes?
bone marrow, GALT, and thymus are identified as ____ lymphatic organs.
dense connective tissue that surrounds the lymph node
this molecule presents partially digested endocytosed foreign peptides to helper T-cells.
refers to the body's first encounter with an antigen
these serum proteins function to coat pathogens for phagocytosis and recruitment of phagocytic cells to the site of infection.
these cells create the elaborate meshwork within lymph nodules, lymph nodes, and the spleen
these cells rapidly secrete antibodies (immunoglobulins)
lymphocytes that are aggregated around the central artery are known as
Lymphocytes undergo antigen-dependent activation in ______ lymphatic organs
these vessels convey lymph away from the lymph node and leave it at the hilum.
pre-existing defense such as skin and low pH of stomach, constitute which type of immunity?

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